# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Prevention of Significant Deterioration; Greenhouse Gas Permitting Authority and Tailoring Rule Revision
> **Rule** · Final rule. · Published 2011-05-13 · Effective 2011-06-13 · 76 FR 27898
## Document
- **Document number:** 2011-11710
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 27898
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-05-13
- **Effective date:** 2011-06-13
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2010-1028
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Virginia Department of Environmental Quality (VADEQ) on October 27, 2010. This revision pertains to EPA's greenhouse gas (GHG) Prevention of Significant Deterioration (PSD) permitting provisions as promulgated on June 3, 2010 in the Tailoring Rule. The SIP revision modifies Virginia's PSD program to establish appropriate emission thresholds for determining which new stationary sources and modifications become subject to Virginia's PSD permitting requirements for their GHG emissions. EPA is approving Virginia's SIP revision because the Agency has determined that this SIP revision is in accordance with the CAA and Federal regulations regarding PSD permitting for GHGs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/05/13/2011-11710/approval-and-promulgation-of-air-quality-implementation-plans-virginia-prevention-of-significant)
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